h3h5_in_the_lan.fm
A31003-H3590-S100-7-7620, 06/2012
HiPath 3000/5000 V9, Service documentation
13-27
Nur für den internen Gebrauch HiPath 3000/5000 in the LAN Network
HG 1500 Board
– Samsung SF-350,
– Philips magic 2 primo
UDP
This protocol is an non-secure connection. IP packets are sent without knowing whether
they are received. Thus, this procedure has a number of disadvantages. If you are not sure
that the information has been received, then greater effort is required to secure this infor-
mation.
Security mechanisms
● FEC procedure (Forward Error Correction)
In this procedure, every “mandatory message” is given a number of previously com-
pressed packets. The number of FEC packets sent with the message is indicated in a
supplementary field that can change at any time. To enable the remote station better
to identify the packet sequence, each “mandatory message” is given a “sequence
number”.
● Redundancy procedure
In this procedure, additional IFP pages are sent with a “mandatory message”. The
number of “redundancy messages” is defined in advance and cannot change during
transmission. The “mandatory message” is given a “sequence number” to enable the
packets to be identified clearly.
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